About: http://webisa.webdatacommons.org/451267475

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In physics, the Mach???Zehnder interferometer is a device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org